Backend DevelopmentPHP TutorialRecommended good books for advanced PHP programmers Beijing Badge PHP Programmer Blog PHP ProgramRecommended good books for advanced PHP programmers Beijing Badge PHP Programmer Blog PHP Program
- "UNIX Network Programming Volume 1 (3rd Edition)"
- "UNIX Network Programming Volume 2 (2nd Edition)"
- "Advanced Programming in UNIX Environment (3rd Edition)"
- "The Art of UNIX Programming"
- "MySQL Technology Insider (5th Edition)"
- "In-depth Understanding of Computer Systems"
- "Internet Using TCP/IP"
- "High-Performance MySQL (3rd Edition)"
- "HTTP Authoritative Guide"
- "Linux Programming (4th Edition)"
- "Niao Ge's Linux Private Kitchen Basics Learning Chapter (3rd Edition)"
- "Basic Algorithms for the Art of Computer Programming Volume 1 (3rd Edition)》
- "Web Front-end Hacking Technology Revealed" by Yu Xian
- "The Charm of Speaking" by Liu Yan
- "RESTful Web APIs Chinese Version"
- "Dahua Data Structure"
- "Building High-Performance Web Sites (Revised Edition)"
- "SQL Injection Attack and Defense (2nd Edition)"
- "Using Python for Data Analysis"
- "Data Structure and Algorithm Analysis: C Language Description (Original Book 2nd Edition)》
- "TCP/IP Detailed Explanation Volume 1: Protocol"
- "Introduction to NoSQL Database"
- "The Authoritative Guide to Web Performance"
- "Computer Science Series: In-depth Understanding of Computer Systems (Original Book 2nd Edition)"
- "The Authoritative Guide to MongoDb (2nd Edition)"
- "Hacker Attack and Defense Technology Collection: Web Practical Combat (2nd Edition) 》
- "Database Technology Book·MySQL Technology Insider: InnoDB Storage Engine (2nd Edition)"
- "White Hat Talks about Web Security (Commemorative Edition)"
- "Online Ghost: The World's Number One Autobiography of Hacker Mitnick"
- "The Art of Anti-Deception: Sharing Experiences of the World's Legendary Hackers"
- "The Art of Anti-Intrusion: The True Story Behind Hacking"
- "Python Automated Operation and Maintenance: Technology and Best Practices"
- "Hacker's Tips: A Practical Guide to Penetration Testing"
- "Redis Getting Started Guide (2nd Edition)"
- "Large Website Technical Architecture: Core Principles and Case Analysis"
- "Linux/Unix Technical Book Series: Building Highly Available Linux Servers"
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The above introduces the recommended books for PHP programmers to advance, including content for PHP programmers. I hope it will be helpful to friends who are interested in PHP tutorials.
Explain the concept of a PHP session in simple terms.Apr 26, 2025 am 12:09 AMPHPsessionstrackuserdataacrossmultiplepagerequestsusingauniqueIDstoredinacookie.Here'showtomanagethemeffectively:1)Startasessionwithsession_start()andstoredatain$_SESSION.2)RegeneratethesessionIDafterloginwithsession_regenerate_id(true)topreventsessi
How do you loop through all the values stored in a PHP session?Apr 26, 2025 am 12:06 AMIn PHP, iterating through session data can be achieved through the following steps: 1. Start the session using session_start(). 2. Iterate through foreach loop through all key-value pairs in the $_SESSION array. 3. When processing complex data structures, use is_array() or is_object() functions and use print_r() to output detailed information. 4. When optimizing traversal, paging can be used to avoid processing large amounts of data at one time. This will help you manage and use PHP session data more efficiently in your actual project.
Explain how to use sessions for user authentication.Apr 26, 2025 am 12:04 AMThe session realizes user authentication through the server-side state management mechanism. 1) Session creation and generation of unique IDs, 2) IDs are passed through cookies, 3) Server stores and accesses session data through IDs, 4) User authentication and status management are realized, improving application security and user experience.
Give an example of how to store a user's name in a PHP session.Apr 26, 2025 am 12:03 AMTostoreauser'snameinaPHPsession,startthesessionwithsession_start(),thenassignthenameto$_SESSION['username'].1)Usesession_start()toinitializethesession.2)Assigntheuser'snameto$_SESSION['username'].Thisallowsyoutoaccessthenameacrossmultiplepages,enhanc
What are some common problems that can cause PHP sessions to fail?Apr 25, 2025 am 12:16 AMReasons for PHPSession failure include configuration errors, cookie issues, and session expiration. 1. Configuration error: Check and set the correct session.save_path. 2.Cookie problem: Make sure the cookie is set correctly. 3.Session expires: Adjust session.gc_maxlifetime value to extend session time.
How do you debug session-related issues in PHP?Apr 25, 2025 am 12:12 AMMethods to debug session problems in PHP include: 1. Check whether the session is started correctly; 2. Verify the delivery of the session ID; 3. Check the storage and reading of session data; 4. Check the server configuration. By outputting session ID and data, viewing session file content, etc., you can effectively diagnose and solve session-related problems.
What happens if session_start() is called multiple times?Apr 25, 2025 am 12:06 AMMultiple calls to session_start() will result in warning messages and possible data overwrites. 1) PHP will issue a warning, prompting that the session has been started. 2) It may cause unexpected overwriting of session data. 3) Use session_status() to check the session status to avoid repeated calls.
How do you configure the session lifetime in PHP?Apr 25, 2025 am 12:05 AMConfiguring the session lifecycle in PHP can be achieved by setting session.gc_maxlifetime and session.cookie_lifetime. 1) session.gc_maxlifetime controls the survival time of server-side session data, 2) session.cookie_lifetime controls the life cycle of client cookies. When set to 0, the cookie expires when the browser is closed.
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